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A124686 as a simple table

na(n)
0-1
11
21
31
41
51
61
71
8-1
913
102
1115
1211
134
143
156
163
174
187
197
203
218
2217
2313
248
256
2626
27-1
2810
296
302
312
322
3324
346
354
364
377
384
394
403
416
4227
4317
4420
4523
4610
4711
487
499
507
5114
526
5313
548
5513
5644
577
5821
599
603
618
627
6316
64-1
6527
664
674
684
692
702
712
722
732
742
753
7617
7711
7810
7917
8021
819
827
8310
846
8511
863
874
888
8928
904
917
923
9345
9422
9535
9612
9738
983
9911
1004

[-1,1,1,1,1,1,1,1,-1,13,2,15,11,4,3,6,3,4,7,7,3,8,
 17,13,8,6,26,-1,10,6,2,2,2,24,6,4,4,7,4,4,3,6,27,
 17,20,23,10,11,7,9,7,14,6,13,8,13,44,7,21,9,3,8,7,
 16,-1,27,4,4,4,2,2,2,2,2,2,3,17,11,10,17,21,9,7,
 10,6,11,3,4,8,28,4,7,3,45,22,35,12,38,3,11,4]